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https://github.com/plexusorg/Plex-FAWE.git
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Add support for entities with .schematic files.
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sk89q
parent
a95ebde620
commit
b751cbe1ee
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@ -21,6 +21,8 @@ package com.sk89q.worldedit.extent.clipboard.io;
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import com.sk89q.jnbt.ByteArrayTag;
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import com.sk89q.jnbt.CompoundTag;
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import com.sk89q.jnbt.DoubleTag;
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import com.sk89q.jnbt.FloatTag;
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import com.sk89q.jnbt.IntTag;
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import com.sk89q.jnbt.ListTag;
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import com.sk89q.jnbt.NBTInputStream;
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@ -31,12 +33,15 @@ import com.sk89q.worldedit.BlockVector;
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import com.sk89q.worldedit.Vector;
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import com.sk89q.worldedit.WorldEditException;
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import com.sk89q.worldedit.blocks.BaseBlock;
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import com.sk89q.worldedit.entity.BaseEntity;
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import com.sk89q.worldedit.extent.clipboard.BlockArrayClipboard;
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import com.sk89q.worldedit.extent.clipboard.Clipboard;
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import com.sk89q.worldedit.regions.CuboidRegion;
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import com.sk89q.worldedit.regions.Region;
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import com.sk89q.worldedit.util.Location;
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import com.sk89q.worldedit.world.registry.WorldData;
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import javax.annotation.Nullable;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.List;
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@ -79,29 +84,32 @@ public class SchematicReader implements ClipboardReader {
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}
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// Check type of Schematic
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String materials = getChildTag(schematic, "Materials", StringTag.class).getValue();
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String materials = requireTag(schematic, "Materials", StringTag.class).getValue();
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if (!materials.equals("Alpha")) {
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throw new IOException("Schematic file is not an Alpha schematic");
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}
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// Parse origin and region from WEOrigin and WEOffset
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// ====================================================================
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// Metadata
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// ====================================================================
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Vector origin;
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Region region;
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// Get information
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short width = getChildTag(schematic, "Width", ShortTag.class).getValue();
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short height = getChildTag(schematic, "Height", ShortTag.class).getValue();
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short length = getChildTag(schematic, "Length", ShortTag.class).getValue();
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short width = requireTag(schematic, "Width", ShortTag.class).getValue();
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short height = requireTag(schematic, "Height", ShortTag.class).getValue();
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short length = requireTag(schematic, "Length", ShortTag.class).getValue();
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try {
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int originX = getChildTag(schematic, "WEOriginX", IntTag.class).getValue();
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int originY = getChildTag(schematic, "WEOriginY", IntTag.class).getValue();
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int originZ = getChildTag(schematic, "WEOriginZ", IntTag.class).getValue();
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int originX = requireTag(schematic, "WEOriginX", IntTag.class).getValue();
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int originY = requireTag(schematic, "WEOriginY", IntTag.class).getValue();
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int originZ = requireTag(schematic, "WEOriginZ", IntTag.class).getValue();
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Vector min = new Vector(originX, originY, originZ);
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int offsetX = getChildTag(schematic, "WEOffsetX", IntTag.class).getValue();
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int offsetY = getChildTag(schematic, "WEOffsetY", IntTag.class).getValue();
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int offsetZ = getChildTag(schematic, "WEOffsetZ", IntTag.class).getValue();
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int offsetX = requireTag(schematic, "WEOffsetX", IntTag.class).getValue();
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int offsetY = requireTag(schematic, "WEOffsetY", IntTag.class).getValue();
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int offsetZ = requireTag(schematic, "WEOffsetZ", IntTag.class).getValue();
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Vector offset = new Vector(offsetX, offsetY, offsetZ);
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origin = min.subtract(offset);
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@ -111,16 +119,20 @@ public class SchematicReader implements ClipboardReader {
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region = new CuboidRegion(origin, origin.add(width, height, length).subtract(Vector.ONE));
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}
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// ====================================================================
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// Blocks
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// ====================================================================
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// Get blocks
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byte[] blockId = getChildTag(schematic, "Blocks", ByteArrayTag.class).getValue();
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byte[] blockData = getChildTag(schematic, "Data", ByteArrayTag.class).getValue();
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byte[] blockId = requireTag(schematic, "Blocks", ByteArrayTag.class).getValue();
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byte[] blockData = requireTag(schematic, "Data", ByteArrayTag.class).getValue();
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byte[] addId = new byte[0];
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short[] blocks = new short[blockId.length]; // Have to later combine IDs
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// We support 4096 block IDs using the same method as vanilla Minecraft, where
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// the highest 4 bits are stored in a separate byte array.
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if (schematic.containsKey("AddBlocks")) {
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addId = getChildTag(schematic, "AddBlocks", ByteArrayTag.class).getValue();
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addId = requireTag(schematic, "AddBlocks", ByteArrayTag.class).getValue();
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}
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// Combine the AddBlocks data with the first 8-bit block ID
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@ -137,7 +149,7 @@ public class SchematicReader implements ClipboardReader {
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}
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// Need to pull out tile entities
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List<Tag> tileEntities = getChildTag(schematic, "TileEntities", ListTag.class).getValue();
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List<Tag> tileEntities = requireTag(schematic, "TileEntities", ListTag.class).getValue();
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Map<BlockVector, Map<String, Tag>> tileEntitiesMap = new HashMap<BlockVector, Map<String, Tag>>();
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for (Tag tag : tileEntities) {
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@ -208,19 +220,64 @@ public class SchematicReader implements ClipboardReader {
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}
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}
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// ====================================================================
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// Entities
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// ====================================================================
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try {
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List<Tag> entityTags = requireTag(schematic, "Entities", ListTag.class).getValue();
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for (Tag tag : entityTags) {
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if (tag instanceof CompoundTag) {
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CompoundTag compound = (CompoundTag) tag;
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StringTag idTag = getTag(compound, StringTag.class, "id");
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Vector position = getVector(getTag(compound, ListTag.class, "Pos"));
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if (idTag != null & position != null) {
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Location location = readRotation(getTag(compound, ListTag.class, "Rotation"), new Location(clipboard, position));
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BaseEntity state = new BaseEntity(idTag.getValue(), compound);
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clipboard.createEntity(location, state);
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}
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}
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}
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} catch (IOException ignored) { // No entities? No problem
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}
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return clipboard;
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}
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/**
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* Get child tag of a NBT structure.
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*
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* @param items The parent tag map
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* @param key The name of the tag to get
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* @param expected The expected type of the tag
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* @return child tag casted to the expected type
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* @throws IOException if the tag does not exist or the tag is not of the expected type
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*/
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private static <T extends Tag> T getChildTag(Map<String, Tag> items, String key, Class<T> expected) throws IOException {
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@Nullable
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private static Vector getVector(@Nullable ListTag tag) {
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if (tag != null) {
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List<Tag> tags = tag.getValue();
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if (tags.size() == 3 && tags.get(0) instanceof DoubleTag) {
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double x = ((DoubleTag) tags.get(0)).getValue();
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double y = ((DoubleTag) tags.get(1)).getValue();
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double z = ((DoubleTag) tags.get(2)).getValue();
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return new Vector(x, y, z);
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}
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}
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return null;
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}
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@Nullable
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private static Location readRotation(@Nullable ListTag tag, Location location) {
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if (tag != null) {
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List<Tag> tags = tag.getValue();
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if (tags.size() == 2 && tags.get(0) instanceof FloatTag) {
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float yaw = ((FloatTag) tags.get(0)).getValue();
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float pitch = ((FloatTag) tags.get(1)).getValue();
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location = location.setDirection(yaw, pitch);
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}
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}
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return location;
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}
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private static <T extends Tag> T requireTag(Map<String, Tag> items, String key, Class<T> expected) throws IOException {
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if (!items.containsKey(key)) {
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throw new IOException("Schematic file is missing a \"" + key + "\" tag");
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}
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@ -233,4 +290,20 @@ public class SchematicReader implements ClipboardReader {
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return expected.cast(tag);
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}
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@Nullable
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private static <T extends Tag> T getTag(CompoundTag tag, Class<T> expected, String key) {
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Map<String, Tag> items = tag.getValue();
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if (!items.containsKey(key)) {
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return null;
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}
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Tag test = items.get(key);
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if (!expected.isInstance(test)) {
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return null;
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}
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return expected.cast(test);
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}
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}
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@ -21,6 +21,8 @@ package com.sk89q.worldedit.extent.clipboard.io;
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import com.sk89q.jnbt.ByteArrayTag;
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import com.sk89q.jnbt.CompoundTag;
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import com.sk89q.jnbt.DoubleTag;
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import com.sk89q.jnbt.FloatTag;
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import com.sk89q.jnbt.IntTag;
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import com.sk89q.jnbt.ListTag;
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import com.sk89q.jnbt.NBTOutputStream;
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@ -29,19 +31,23 @@ import com.sk89q.jnbt.StringTag;
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import com.sk89q.jnbt.Tag;
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import com.sk89q.worldedit.Vector;
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import com.sk89q.worldedit.blocks.BaseBlock;
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import com.sk89q.worldedit.entity.BaseEntity;
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import com.sk89q.worldedit.entity.Entity;
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import com.sk89q.worldedit.extent.clipboard.Clipboard;
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import com.sk89q.worldedit.regions.Region;
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import com.sk89q.worldedit.util.Location;
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import com.sk89q.worldedit.world.registry.WorldData;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.Map.Entry;
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import static com.google.common.base.Preconditions.checkNotNull;
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/**
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/**
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* Writes schematic files based that are compatible with MCEdit and other editors.
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*/
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public class SchematicWriter implements ClipboardWriter {
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@ -79,6 +85,10 @@ public class SchematicWriter implements ClipboardWriter {
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throw new IllegalArgumentException("Length of region too large for a .schematic");
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}
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// ====================================================================
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// Metadata
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// ====================================================================
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HashMap<String, Tag> schematic = new HashMap<String, Tag>();
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schematic.put("Width", new ShortTag("Width", (short) width));
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schematic.put("Length", new ShortTag("Length", (short) length));
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@ -91,11 +101,14 @@ public class SchematicWriter implements ClipboardWriter {
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schematic.put("WEOffsetY", new IntTag("WEOffsetY", offset.getBlockY()));
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schematic.put("WEOffsetZ", new IntTag("WEOffsetZ", offset.getBlockZ()));
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// Copy
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// ====================================================================
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// Block handling
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// ====================================================================
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byte[] blocks = new byte[width * height * length];
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byte[] addBlocks = null;
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byte[] blockData = new byte[width * height * length];
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ArrayList<Tag> tileEntities = new ArrayList<Tag>();
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List<Tag> tileEntities = new ArrayList<Tag>();
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for (Vector point : region) {
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Vector relative = point.subtract(min);
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@ -140,20 +153,66 @@ public class SchematicWriter implements ClipboardWriter {
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schematic.put("Blocks", new ByteArrayTag("Blocks", blocks));
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schematic.put("Data", new ByteArrayTag("Data", blockData));
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schematic.put("Entities", new ListTag("Entities", CompoundTag.class, new ArrayList<Tag>()));
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schematic.put("TileEntities", new ListTag("TileEntities", CompoundTag.class, tileEntities));
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if (addBlocks != null) {
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schematic.put("AddBlocks", new ByteArrayTag("AddBlocks", addBlocks));
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}
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// Build and output
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// ====================================================================
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// Entities
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// ====================================================================
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List<Tag> entities = new ArrayList<Tag>();
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for (Entity entity : clipboard.getEntities()) {
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BaseEntity state = entity.getState();
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if (state != null) {
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Map<String, Tag> values = new HashMap<String, Tag>();
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// Put NBT provided data
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CompoundTag rawTag = state.getNbtData();
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if (rawTag != null) {
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values.putAll(rawTag.getValue());
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}
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// Store our location data, overwriting any
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values.put("id", new StringTag("id", state.getTypeId()));
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values.put("Pos", writeVector(entity.getLocation().toVector(), "Pos"));
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values.put("Rotation", writeRotation(entity.getLocation(), "Rotation"));
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CompoundTag entityTag = new CompoundTag("Entity", values);
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entities.add(entityTag);
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}
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}
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schematic.put("Entities", new ListTag("Entities", CompoundTag.class, entities));
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// ====================================================================
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// Output
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// ====================================================================
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CompoundTag schematicTag = new CompoundTag("Schematic", schematic);
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outputStream.writeTag(schematicTag);
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}
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@Override
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public void close() throws IOException {
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outputStream.close();
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}
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}
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private Tag writeVector(Vector vector, String name) {
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List<DoubleTag> list = new ArrayList<DoubleTag>();
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list.add(new DoubleTag("", vector.getX()));
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list.add(new DoubleTag("", vector.getY()));
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list.add(new DoubleTag("", vector.getZ()));
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return new ListTag(name, DoubleTag.class, list);
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}
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private Tag writeRotation(Location location, String name) {
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List<FloatTag> list = new ArrayList<FloatTag>();
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list.add(new FloatTag("", location.getYaw()));
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list.add(new FloatTag("", location.getPitch()));
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return new ListTag(name, FloatTag.class, list);
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}
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@Override
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public void close() throws IOException {
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outputStream.close();
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}
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}
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